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Modulating electronic and magnetic properties of monolayer Mo8S12 by adatom adsorption: A first-principles study J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-20 Chao Kong, Qianqian Zhu, Guixian Tang, Jun Cao, Yi Peng
Monolayer MoS is a recently discovered two-dimensional (2D) nanomaterial with a moderate band gap and ultra-high carrier mobility, making it highly promising for applications in 2D electronic devices. In this investigation, we utilized spin-polarized first-principles calculations to comprehensively investigate the electronic and magnetic properties of monolayer MoS by adsorbing metal (Li and Be) and
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Rheology of magnetorheological shear thickening polishing fluids with micro diamond abrasive particles J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-19 Xiangyu Yuan, Yebing Tian, Cheng Qian, Shadab Ahmad, Zhen Ma, Ling Li, Zenghua Fan
Magnetorheological shear thickening polishing (MRSTP) has the dual effect of shear thickening and magnetization enhancement, thereby enhancing polishing efficiency. MRSTP fluids (MRSTPFs) were prepared using polyethylene glycol (PEG), silicon dioxide (SiO), carbonyl iron particles (CIPs), and diamond micro-abrasive particles. MRSTPFs containing diamond particles of various sizes were prepared for rheological
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High pressure neutron diffraction study of magnetic ordering in erbium J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-18 Matthew P. Clay, Raimundas Sereika, Maurissa K. Higgins, Antonio M. dos Santos, Jamie J. Molaison, Yogesh K. Vohra
We have studied magnetic ordering in polycrystalline erbium at high pressures up to 32 GPa and low temperatures down to 10 K using neutron diffraction techniques at the Spallation Neutron Source at Oak Ridge National Laboratory, USA. For the hexagonal close-packed () phase, strong nuclear and magnetic satellite intensities permit a simultaneous refinement of the nuclear and magnetic structures. At
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Improvement of dynamic response and energy conversion ratio of a global type solenoid for high-speed valve by using an innovative magnet ring J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-17 Yudong Liu, Qingjun Yang, Shangru Yang, Zhenyang Zhang
The transient behavior and energy transmission of a global type solenoid for high-speed valve (HSV) depend upon the magnetic force acting on the sphere. Rapid responses are challenging to achieve because of the limited power supply energy, which makes it hard to optimize the magnetic force through its own structural characteristics for HSV. Aiming to obtain higher magnetic force without increasing
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Evidence of self-biased magnetoelectric coupling in eco-friendly (Na0.41K0.09Bi0.5TiO3-Ba0.85Ca0.15Zr0.1Ti0.9O3)-(CoFe2O4) particulate composites J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-16 Munendra Pal, Adiraj Srinivas, Deepa Xavier, V. Subramanian, Saket Asthana
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Precipitation mechanism of abrasive particles in magnetorheological polishing fluid and experimental verification J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-16 Song Chen, Hong Yu, Jirui Zhou
This study aims to address the issue of poor workpiece surface machining quality due to inadequate abrasive particle precipitation during the processing of magnetorheological polishing fluid. The paper employs magnetic dipole theory and molecular dynamics theory to establish a microdynamics model for magnetorheological polishing fluid and conducts kinematic and dynamic analyses of magnetic and abrasive
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Tuneable double negative (DNG) Tri-Hexagonal split ring resonator metamaterial for 5G application J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-16 Nurul Arbaatun Adawiah, Samir Salem Al-Bawri, Norsuzlin Mohd Sahar, Mohammad Tariqul Islam, Mandeep S.J. Singh
This paper introduces a compact tuneable metamaterial (MTM) unit cell featuring a tri-hexagon and tri-square split ring resonator (THTSSSR) structure designed for 5G communication applications. Metamaterials are employed to achieve unique electromagnetic properties not found in natural materials. The design process involves the arrangement of three square rings and three hexagon rings as metallic patches
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New effective field theory in a cluster with n-sites correlating with n-free spins J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-16 Jander P. Santos
In this work, we present a new formulation for the effective field theory in a cluster with -sites, resulting from the correlation through the overlap of two sublattices: one composed of a cluster with spins and the other of free spins. The new proposal is applicable to various spin models and different crystal structures. The formalism was applied to the spin-1/2 Ising and spin-S Blume–Capel models
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Optical read-out and control of antiferromagnetic Néel vector in altermagnets and beyond J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-16 A.V. Kimel, Th. Rasing, B.A. Ivanov
Finding methods for the most efficient and fastest detection and control of magnetic domains in antiferromagnets is presently among the main challenges of magnetic research at large. We analyse the problem of optical read-out and control of the antiferromagnetic Néel vector using symmetry analysis and the principles of equilibrium thermodynamics. Following the pioneering approach of Dzyaloshinksii
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A wide-angle broadband dual-polarization electromagnetic absorbing structure based on the carbonyl iron powder/polydimethylsiloxane composites J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-15 Ruixue Yang, Xingzhi Xiao, Wenhe Liao, Tingting Liu
Electromagnetic absorbing structure with wide-angle and broadband absorption plays a vital role in radar stealth. Hence, a novel gradient composite multilayer absorbing structure (GCMAS) is designed and fabricated by a simple and low-cost direct ink writing (DIW) 3D printing technology. The GCMAS consists of the CIP/PDMS composites composed of carbonyl iron powder (CIP) and polydimethylsiloxane (PDMS)
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Unveiling the influence of fixed layer polarization on skyrmion nucleation and dynamics in circular geometry J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-15 Sateesh Kandukuri, V. Satya Narayana Murthy
Chiral magnetic skyrmion spin textures promise to be the next generation of energy-efficient computing. An effective way of skyrmion creation is essential to use as an information carrier. We report the creation of a skyrmion in a circular spin valve nanostructure using spin-polarized currents. This research investigates skyrmion nucleation under perpendicular and vortex fixed layer polarizations.
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Magneto-Optic and thermoelectric response of doped SrZrO3 for energy storage applications J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-15 Mubashir Hussain, Farooq Ali, Hamid Ullah, S. Tehreem Iqbal, Faiza Anjum, Mohamed A. El-Sheikh, Young-Han Shin
Using first-principles calculations, we have investigated the electronic, optical, magnetic and thermoelectric properties of the pristine and doped SrZrO (SZO) with Mn, Co, and Fe atoms at Sr-site. Our calculations shows that the Mn. Co, and Fe atoms at Sr-site can be easily incorporated in SZO due to their lower formation energies. The pristine SZO exhibit a non-magnetic semiconductor nature with
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Influence of magnetic interactions in iron oxide nanoparticle polymer composites on magnetism and induction heating J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-13 Theodor Raczka, Andreas Wolf, Jakob Reichstein, Claudia Stauch, Benedikt Schug, Stephan Müssig, Karl Mandel
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Griffiths phase like behaviour in CoCrVZ (Z = Al, Ga) Heusler alloys J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-13 Sabyasachi Paul, Barnabha Bandyopadhyay, M.K. Chattopadhyay, K.G. Suresh
We report here the studies of structural and magnetic properties of two equiatomic quaternary Heusler alloys CoCrVZ (Z = Al, Ga). Both the alloys crystallize in LiMgPdSn type crystal structure (space group #216) with B2 (CoCrVAl) and A2 (CoCrVGa) type anti-site disorder between elemental sites. Intended stoichiometry was confirmed from the compositional analysis. The temperature dependence of dc magnetic
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Electronic transport in nearly compensated half-metallic FeMnGa based-junction J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-13 Y. Bensaidane, N. Baadji, B. Helifa, I.K. Lefkaier
The all-electron full-potential linearized augmented plane-wave method is used to investigate the structural, electronic, and magnetic properties of the cubic C1 FeMnGa. We show that FeMnGa is a spin-gapless semiconductor, and by changing the lattice constant, we obtain a nearly compensated half-metallic ferrimagnet. This makes it suitable for spintronic devices. Then, a combined non-equilibrium Green’s
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Corrigendum to “Design, actuation, and functionalization of untethered soft magnetic robots with life-like motions: A review” [J. Magn. Magn. Mater. 586 (2023) 171160] J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-11 Jiaqi Miao, Siqi Sun
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Erratum to “Optimization of a NdFeB permanent magnet configuration for in-vivo drug delivery experiments” [J. Magn. Magn. Mater. 522 (2021) 167491] J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-11 A. Omelyanchik, G. Lamura, D. Peddis, F. Canepa
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Comparison of aggregation effect of axial and polar Magnetotactic bacteria for tumor therapy J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-10 Qingmeng Wang, Changyou Chen, Haitao Chen, Pingping Wang, Yangkun Jiao, Hua Guo, Tao Song
Magnetotactic bacteria (MTB), possessing chains of iron oxide nanoparticles, are potential tools for controlled therapy due to their responsiveness to weak magnetic fields. This study aims to evaluate the targeting and aggregation capabilities of axial AMB-1 and polar MO-1 MTB for therapeutic applications. A three-dimensional focusing magnetic field (fMF)-producing device was designed and established
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A universal strategy for electric field control of nonvolatile magnetization reversal J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-09 Li Deng, Junwei Tong, Xiang Yin, Yanzhao Wu, Fubo Tian, Xianmin Zhang
Achieving electric field control of nonvolatile magnetization reversal in van der Waals magnetic tunnel junctions (vdW MTJs) is of paramount importance for nanoscale spintronic devices with ultralow-power consumption and high-density storage. Here, a new and universal design strategy is proposed to realize nonvolatile magnetization reversal, which is based on electric field control of interlayer coupling
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Fabrication and characterization of graphene oxide (GO)-modified micro-nano composite magnetic microspheres J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-09 Songlin Nie, Wen Wang, Fei Gong, Fanglong Yin, Zhonghai Ma
Addressing the contradiction between the magneto-rheological properties and dispersion stability of MRFs poses a significant challenge in the preparation process. This paper proposes a micro-nano composite material design scheme using graphene oxide as a grafting agent to encapsulate nanoscale magnetite (FeO) particles onto the surface of carbonyl iron powders. The prepared micro-nano composite magnetic
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Influence of composition on the magnetisation reversal of IrMn/CoFe exchange bias systems J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-08 Alexandra Carter, Samridh Jaiswal, Paolo Campiglio, Gonzalo Vallejo-Fernandez
The magnetisation reversal in IrMn/CoFe exchange bias bilayers has been investigated as a function of the level of Ir content,‘’, in the stack where = 0.15, 0.19 and 0.22. Values of the anisotropy constant of IrMn in excess of 10 erg/cc were obtained for the samples with a lower Ir content. Increasing the Ir content to 22% decreases the value of the anisotropy by 40% which results in a significant
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Tunneling magnetoresistance effect in antiferromagnetic [formula omitted] tunnel junctions J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-08 Chengshuai Zhu, Xingtao Jia, Hui-Min Tang
The ultra-high thermal conductivity and high hole and electron mobility of cubic boron arsenide (BAs) makes it a promising material for next-generation electronics and optoelectronics. Its semiconductor property, characterized by a bandgap of approximately 1.82 eV, positions it as an excellent candidate for use as a barrier in tunnel junctions. In this study, we observe a significant tunneling magnetoresistance
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Ferromagnetism with above-room-temperature Curie temperature in Fe-doped β-Ga2O3 studied by first-principles calculations J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-06 Danyang Xia, Rongpeng Fu, Yuefei Wang, Bingsheng Li, Jiangang Ma, Haiyang Xu, Aidong Shen, Yichun Liu
Induced by the spin-polarized double-exchange interaction between the 3d orbitals of Fe atoms and O-2p orbitals near the O/Ga vacancy complexes, the origin of magnetism in β-GaO is investigated by using geometry optimization and energy calculation based on the first-principles generalized gradient approximation Hubbard + U method of density-functional theory. The results show that the formation energy
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Research on multi-scale hysteresis constitutive model of giant magnetostrictive materials considering multi-field coupling J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-06 Jian Sun, Pengyang Li, Yunshuai Chen, Ruiyuan Zhang, Miaomiao Zhao, Guoqing Chen, Han Lu, Man Dai, Ding Shao
The magnetization and magnetostrictive strain of giant magnetostrictive materials exhibit a complex nonlinear trend under the coupling of multiple fields, including magnetic field, temperature field, and prestress field. To enhance prediction accuracy, we propose a three-dimensional magnetic-thermal-force coupled nonlinear multi-scale hysteresis vector model. This model is derived from the principles
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The magnetic and electronic properties of Ho6Fe23−xCox (x = 0, 1, 2, 3) J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-05 Xi Yu, Yunhong Zhao, Yunxiang Yang, Wei He, Nidong Yang, Fazhong Su, Jingqi Zhu, Zhikai Zhu
Magnetic and electronic properties of HoFeCo (x = 0, 1, 2, 3) compounds were investigated for the first time by experimental measurements on their polycrystalline samples combining with first-principles calculation. The samples of HoFeCo were successful prepared by a vacuum arc furnace. The XRD analysis and Rietveld refinement results show that HoFeCo crystallize in a face-centered cubic ThMn-type
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Microstructural and textural evolution of double stage cold rolled non-grain oriented electrical steel J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-04 Lukas Neundlinger, Herbert Kreuzer, Herbert Lichtenberger, Thomas Hebesberger, Christof Sommitsch
Non-grain oriented electrical steels (NGOES) are typically used in electric applications with rotating magnetic fields and thus essential for the production of electric motors. The increasing number of electric vehicles results in a growing demand for electrical steel sheets used in the stacked laminations of rotor and stator components. E-mobility applications require the best possible magnetic properties
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Influence of design and annealing parameters on measurements of AC properties of NiFe-SiO2 multilayer structures J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-04 Aleksandra Wilczyńska, Tomasz N. Kołtunowicz, Andrzej Kociubiński, Bartłomiej Guzowski, Mateusz Łakomski
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Physics-informed neural network-based magnetostriction model for grain-oriented electrical steels J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-04 Kaixing Hong, Jingchun Zhang, Jing Zheng, Suan Xu
The magnetostriction of grain-oriented electrical steels is important for evaluating the core vibrations of operational power transformers. However, magnetostriction is regarded as the square of magnetization in most studies, where influencing factors such as stress and magnetic saturation effects are disregarded. In this study, a two-step magnetostriction-prediction technique based on a physics-informed
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Reliability analysis and optimization design of magnetic fluid dynamic seal shell structure under thermal/mechanical load J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-04 Chengji Mi, Junhao Liu, Chen Zhang, Yingjian Deng, Ling Zhang, Shiyong Yuan, Jiachang Tang
In order to study the reliability of Magnetic fluid dynamic seal shell structure under thermal/mechanical load, the improving cooling structure, calculating fuzzy fatigue reliability, and collaborative optimization design of fatigue reliability and lightweight are studied in this paper. The temperature model of the shell structure under four temperature conditions is established to analyze the influence
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Hund’s matrix: A structure-based descriptor to predict the magnetic properties J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-03 Yogesh Khatri, Arti Kashyap
We propose a structure-based descriptor, where we have used Hund’s rules to represent the constituent atoms of crystalline materials. Coordinating atoms are used to create a local environment in the form of a matrix named Hund’s matrix. A descriptor is illustrated by training and testing the model using a random forest algorithm on various datasets to predict the formation energy and magnetization
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Preparation and investigation of perfluoropolyether-based magnetic fluids for space lubrication J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-02 Yue Zhang, Zhili Zhang, Lu Wang, Zhiqi Liang, Decai Li
This study takes the background of the lubrication of spacecraft in deep space, 7.5 wt%, 22.5 wt% and 37.5wt.% perfluoropolyether-based magnetic fluids (MF) were successfully prepared, and the basic performance of these MF was characterized. Specially, due to the special environmental requirements of space lubrication, we also carried out high and low-temperature resistance of MF and evaporation tests
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Non-isochronous exceptional point shift in coupled spin-torque nano-oscillators J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-02 Olga Temnaya, Sergey Nikitov
This paper explores the nonlinear dynamics of mutually coupled spin-torque nano-oscillators and examines the relationship between non-isochronism and the appearance of exceptional points (EPs). We demonstrate that by manipulating the amplitudes of the driving force and the angles of the external bias magnetic field and spin-polarized current, it is possible to observe and fine-tune the position of
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A concentric tube magnetic continuum robot with multiple stiffness levels and high flexibility for potential endovascular intervention J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-02 Huibin Liu, Xiangyu Teng, Zezheng Qiao, Haibo Yu, Shuxiang Cai, Wenguang Yang
Micromagnetic continuum robots (MCR), renowned for their simple structure and high flexibility, hold immense potential and scientific significance in the fields of biomedicine and clinical therapeutics. MCRs are exceptionally adept at navigating confined spaces to transport surgical instruments such as biological valves and drugs, which are crucial for minimally invasive surgeries and delivering nanomedicines
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Coercivity enhancement in hematite/permalloy heterostructures across the Morin transition J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-02 Tianxing D. Wang, Ali C. Basaran, Ralph El Hage, Junjie Li, Henry Navarro, Felipe E. Torres, Oscar R. de la Fuente, Ivan K. Schuller
Interfacial effects between antiferromagnetic (AFM) and ferromagnetic (FM) materials have long been a center of magnetism studies. Aside from the exchange bias occurring at the AFM/FM interface, controlling the coercivity is another significant topic in magnetic recordings. The coercivity of FM materials is often determined through varying grain size, alloy composition, density of defects, etc., which
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GMR detection of magnetic beads with different sizes J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-02 Xi Tan, Dandan Huang, Mingyang Zhao, Weining Liu, Qionglin Cheng, Yaqian Ren, Ming Yi, Qi Ding, Yuzhe Song, Mingling Xie, Chaoxin Yun, Zhichao Liang, Hairong Li
In recent years, there has been a growing body of research concerning the detection of biomolecules using giant magnetoresistance (GMR) sensors in conjunction with magnetic beads. Researchers have primarily focused on enhancing detection accuracy through various means, including increasing the sensitivity of the sensor itself and refining the signal detection scheme. In this paper, we investigated
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Enhancement of magnetoelectric effect in polymer composites at low resonance frequencies by operation in the transverse-transverse mode J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-01 Dmitrii V. Savelev, Gašper Glavan, Dmitri A. Burdin, Inna A. Belyaeva, Leonid Y. Fetisov, Mikhail Shamonin, Yuri K. Fetisov
The resonant direct magnetoelectric (ME) effect for a series of multilayer heterostructures comprising a magnetoactive elastomer (MAE) of different thicknesses and a commercially available piezoelectric polyvinylidene fluoride-based vibration sensor has been investigated in detail. The specimens were rigidly fixed at one end as cantilevers. The cantilevers were operated in the transverse-transverse
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An improved dynamic magnetic hysteresis model in soft magnetic composites J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-04-01 Xuanzhe Zhao, Dianhai Zhang, Ziyan Ren, Kaimeng Shi, Yanli Zhang
In this paper, an improved static Jiles-Atherton (J-A) hysteresis model is proposed to simulate the hysteresis properties of soft magnetic composites (SMC) by introducing an excitation factor to control the rotational component of magnetic domains in the effective magnetic field based on the internal demagnetization effect and magnetization mechanism. On the other hand, Since SMC is usually applied
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Microstructure and magnetic properties of novel high-entropy perovskite ceramics (Gd0.2La0.2Nd0.2Sm0.2Y0.2)MnO3 J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-03-31 Jiedong Qin, Zhiqin Wen, Bo Ma, Zhenyu Wu, Yunming Lv, Junjie Yu, Yuhong Zhao
Rare-earth transition element high-entropy perovskite ceramics (HEPCs) (GdLaNdSmY)MnO (GLNSYMnO) were prepared by using a solid-state reaction method, and the structure, morphology and magnetic properties of the GLNSYMnO were studied. The crystalline structure of GLNSYMnO is a smooth surface and similar to “cashews” tubular particles, and a single-phase orthorhombic (Pbnm Space group) perovskite without
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First-principles study of electronic and magnetic properties in site dependent Fe-doped chalcopyrite ZnSnAs2semiconductors: Comparison with those of Mn- and Cr-doped ZnSnAs2 J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-03-30 Naotaka Uchitomi, Hidetoshi Kizaki
The electronic and magnetic properties of Fe-doped ZnSnAs within chalcopyrite structures have been studied by first-principles calculations using the density functional theory (DFT) full-potential linearized augmented-plane-wave method and the plane-wave pseudopotential methods. The band gap of ZnSnAs was determined to be 0.816 eV using the modified Beck-Jonson (mBJ) exchange potential. When Fe dopants
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Emergent Griffiths-phase-like behavior in the ball-milled nanocrystalline Dy4RhAl and its implication J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-03-30 Kartik K. Iyer, Kalobaran Maiti, S. Rayaprol, B.A. Chalke, E.V. Sampathkumaran
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On the coupling of immersed boundary and lattice Boltzmann method to study the dynamic behavior of a magnetic particle around an actuating magnetic disk in a fluid domain J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-03-30 H. Gerivani, M. Nazari, R. Abedini-Nassab
The capability and accuracy of the immersed boundary-lattice Boltzmann method (IB-LBM) for simulating a precise manipulation of an individual magnetic bead on the edge of a magnetic disk (magnetophoretic circuits approach) are investigated. Also, the influences of the magnetic bead diameter on its dynamic responses are analyzed, for the first time. The dynamic behavior and motion patterns of the magnetic
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Perpendicular magnetic anisotropy in the multilayer fabricated by alternate sputtering of Fe3O4/Cr and post-annealing J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-03-30 Daiki Oshima, Satoshi Iwata, Takeshi Kato
Magnetic properties of sputter-deposited FeO/Cr multilayers followed by annealing in vacuum were investigated. The saturation magnetization and perpendicular magnetic anisotropy were enhanced by post-annealing and the maximum perpendicular anisotropy of 3.3 Merg/cm was obtained in this study. From the results of X-ray photoelectron spectroscopy and X-ray diffraction, it was found that metallic Fe layers
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Spin-resolved electronic structures and ferromagnetism in surface-strain-dependent MnX2 monolayers J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-03-30 Yun Shan, Lizhe Liu
Regulating spin-related electronic structures to realize two-dimensional (2D) ferromagnetism plays a critical role in developing new-type spintronic devices. However, the spin-related orbital interaction among neighboring magnetic nets is too weak to support the ferromagnetic emergence at room temperature. Based on the density functional theory and Monte Carlo simulations, we have systematically predicated
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Advances in small-scale resistance spot welding of the Ni-15 %Fe-4 %Mo-1 %Mn permalloy in the production of low-noise ring cores for fluxgate magnetometers J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-03-30 Sergei Butsykin, Mikhail Slobodyan, Irina Strelkova, Vasiliy Klimenov, Maxim Elkin, Anton Gordynets, Alexey Kiselev
The aim of this study was to assess the possibility of improving control of small-scale resistance spot welding (SSRSW) of the Ni-15 %Fe-4 %Mo-1 %Mn permalloy in the production of low-noise ring cores for fluxgate magnetometers. It was found that the range of the optimal current–time parameters (weld lobe) was within current amplitudes of 1–2 kA and pulse durations of 6–14 ms, which allowed to form
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Understanding the origin of high Curie temperature, ferromagnetic ground state, and spin-based transport properties in (K/Rb)2MnF6: First-principles studies J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-03-28 Mukaddar SK
In this article, we have performed first-principles studies on structural stability, magnetic, electronic, and thermoelectric properties of . The structural optimization shows the ferromagnetic ground state with high Curie temperature () of and for and respectively. Also, the estimated tolerance and octahedral factor demonstrated the cubic phase stability of . In addition, the spin-polarized electronic
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GPTArticleExtractor: An automated workflow for magnetic material database construction J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-03-28 Yibo Zhang, Suman Itani, Kamal Khanal, Emmanuel Okyere, Gavin Smith, Koichiro Takahashi, Jiadong Zang
A comprehensive database of magnetic materials is valuable for researching the properties of magnetic materials and discovering new ones. This article introduces a novel workflow that leverages large language models for extracting key information from scientific literature. From 22,120 articles in the Journal of Magnetism and Magnetic Materials, a database containing 2,035 magnetic materials was automatically
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Progress of rare earth-transition metal alloys and their compounds for electromagnetic wave absorption J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-03-28 Liang Yan, Yujing Zhang, Yilin Zhang, Rui Liu, Chuyang Liu, Fan Wu, Feng Xu
Because of the unique electronic structures of rare earth elements, the rare earth-transition metal alloys could exhibit impressive hard and soft magnetic properties. Especially, in the high-frequency applications, the rare earth-transition metal alloys possess higher magnetic loss and tunable magnetic anisotropies when comparing to the traditional metallic soft magnets. As a result, there has been
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An insight into the structural, magnetic and dielectric properties of modified SrFe12-xPbxO19 (x = 0–0.3) J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-03-28 Anupama Pati, Payala Sahoo, Sujata Kumari Ray, A.K. Sahoo, V.R. Reddy, Jaspreet Singh, S. Dash
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A new approach in the implementation of insulating layers in soft magnetic composite materials J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-03-27 Emir Pošković, Fausto Franchini, Marco Actis Grande, Luca Ferraris, Federico Carosio, Alberto Tenconi
Soft Magnetic Composite (SMC) materials show a high potential for growth in the electrification of several industrial sectors for two main reasons: the reduced eddy current losses and the 3D magnetic path which allows to redesign magnetic circuits without geometrical constraints. On the other hand, some material limitations and process restrictions limit the use of SMC on a large scale; this contribution
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Parallel-in-time integration of the Landau–Lifshitz–Gilbert equation with the parallel full approximation scheme in space and time J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-03-26 Robert Kraft, Sabri Koraltan, Markus Gattringer, Florian Bruckner, Dieter Suess, Claas Abert
Speeding up computationally expensive problems, such as numerical simulations of large micromagnetic systems, requires efficient use of parallel computing infrastructures. While parallelism across space is commonly exploited in micromagnetics, this strategy performs poorly once a minimum number of degrees of freedom per core is reached. We use magnum.pi, a finite-element micromagnetic simulation software
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Magnetocaloric effect at the reorientation of the magnetization in ferromagnetic multilayers with perpendicular anisotropy J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-03-26 Vittorio Basso, Carlo P. Sasso, Martino LoBue, Karl G. Sandeman
We investigate the magnetocaloric effect obtained by the rotation of a magnetic field applied to an exchange-coupled multilayer system composed of two different ferromagnetic (FM) materials. We specifically consider a system in which the two FMs have perpendicular uniaxial anisotropy axes and utilize conditions which yield a reorientation of the total magnetization when compensation between the anisotropies
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Solvothermally synthesized magnetite nanorods for application in magnetic hyperthermia and photothermia J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-03-26 Zhila Shaterabadi, Ángel Delgado, Guillermo R. Iglesias
The development of the multi-functional nanostructures has recently been of particular interest in therapeutic research for various diseases including atherosclerosis, cancer, etc. Indeed, the use of multi-responsive nanostructures that can remotely be activated by different stimuli is a promising strategy to combine the advantages of standalone methods and overcome their intrinsic drawbacks. In this
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Band gap, ferromagnetic resonance and strong microwave absorption of BaFe12-2xZnxSnxO19 compounds and enhanced dielectric loss in BaFe12-2xZnxSnxO19/carbon nano tube composites J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-03-25 Haozheng Yang, Zeen Jian, Kewei Li, Hong Chang, Wenyun Yang, Shunquan Liu
The forbidden bandgap energy, magnetic properties, natural ferromagnetic resonance and microwave absorption are studied on the Zn and Sn doped BaFeZnSnO. The forbidden band gap of BaFeZnSnO increases with the increasing doping content from 1.80 eV up to 1.97 eV. The coercive field, the anisotropy field and the magnetocrystalline constant of BaFeZnSnO decreases with the increasing doping. The natural
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Realization of magnetic-field-induced martensitic transformation in melt-spun Fe-Mn-Ga alloys J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-03-25 Xuanle Zhou, Yajiu Zhang, Zhigang Wu, Zhuhong Liu, Guangheng Wu
This study investigates the crystal structural, magnetic properties, and phase transformation of melt-spun Fe-Mn-Ga alloys. We found that melt-spun FeMnGa alloy crystallizes into a phase, which exhibits ferromagnetism at room temperature, and undergoes a magnetic transition at 257 K. On the other hand, melt-spun FeMnGa, FeMnGa and FeMnGa alloys exhibit a single body-centered cubic phase, with the latter
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The enhanced oxidation resistance of zinc-coated Nd-Fe-B spherical powders using a rotation coating technique J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-03-24 Wang Xi, Hongguo Zhang, Meijun Li, Weiqiang Liu, Ming Yue
A rotation coating technique was used to apply Zn layer onto MQP-S Nd-Fe-B spherical powders, aiming to enhance their anti-oxidation properties while maintaining their high magnetic performance. As the coating temperature increases and duration extends, the Zn layer thickness grows, subsequently leading to a reduction in powder magnetization primarily due to the introduction of nonmagnetic Zn. A certain
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Influence of Mn and Ni ions doping on the magnetization and dielectric properties of the CaBaCo4O7 compound J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-03-24 Minghao Wang, Yongqiang Wang, Gaoshang Gong, Zheng Li, Yaran Duan, Yuying Zuo, Maocai Wei, Yuling Su
We reported the magnetic and dielectric properties of the polar magnet CaBaCoMnO and CaBaCoNiO ( = 0.04, 0.08). The result shows that Mn ions exist in the sample in + 2 and + 3 valence, replacing both Co and Co, and the Ni ions exist in + 2 valence, only replacing Co. Mn ion doping does not change the ratio of Co to Co in the crystal, leading to similar magnetic behavior to CaBaCoO. Ni ions increase
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The influence of magneto-hydrodynamics and vortex generators on nanofluids heat transfer J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-03-24 Javad Farrokhi Derakhshandeh, Yousef Gharbia
This paper investigates the effects of a vortex generator (VG) and magneto-hydrodynamics (MHD) on the thermal properties of nanofluids in a microchannel. A variety of test scenarios within the laminar flow regimes are numerically examined: nanofluids in a hot-walled simple channel (SC); nanofluids in a heated-walled channel where a circular cylinder is embedded within the channel and functions as a
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Erratum to “Magnetic, magnetocaloric and critical behavior studies in Heusler compounds Co2-xCr1+xAl” [J. Magn. Magn. Mater. 591 (2024) 171743] J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-03-24 Amrita Datta, Dipak Mazumdar, Sangam Banerjee, I. Das
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Optimizing energy storage and magnetoelectric performance through core–shell engineering: A study on Ni0.5Co0.5Fe2O4-BaTiO3 multiferroic composite materials J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-03-24 Mudasir Rashid Rather, Shohaib Abass, Saima jahan, Khalid Sultan, Rubiya Samad
In this report, we have synthesized NiCoFeO (NCFO) and BaTiO (BTO) core–shell (12 % NCFO − 88 %BTO) multiferroic nanopowder by hydrothermal method and sol–gel method, respectively. The structural, morphological, ferroelectric, and magnetoelectric properties of the as- prepared sample was investigated in detail. X-ray diffraction results revealed that no secondary phase is obtained. As investigated
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Magnetic states of iron borate at high quasi-hydrostatic pressure J. Magn. Magn. Mater. (IF 2.7) Pub Date : 2024-03-24 Mark Strugatsky, Kira Seleznyova, Sergey Yagupov
Magnetic states of iron borate, FeBO single crystal subjected to a superposition of high hydrostatic and uniaxial pressures have been analysed in the framework of a thermodynamic approach. It is shown that the uniaxial pressure component in the basal plane can deflect the magnetization from the basal plane of the crystal. The results obtained are in good agreement with available experimental data on